165153492 has 216 divisors, whose sum is σ = 529052160. Its totient is φ = 44089920.

The previous prime is 165153437. The next prime is 165153493. The reversal of 165153492 is 294351561.

165153492 is a `hidden beast` number, since 16 + 5 + 153 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (32400) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165153493) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5327517 + ... + 5327547.

Almost surely, 2^165153492 is an apocalyptic number.

165153492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165153492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264526080).

165153492 is an abundant number, since it is smaller than the sum of its proper divisors (363898668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165153492 is an equidigital number, since it uses as much as digits as its factorization.

165153492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 72 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 165153492 is about 12851.2058578174. The cubic root of 165153492 is about 548.6506780735.

The spelling of 165153492 in words is "one hundred sixty-five million, one hundred fifty-three thousand, four hundred ninety-two".